An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The effect of the AP stiffness on the glottal flow waveform, its time derivative, and the corresponding voice spectrum. Gap = 10 kPa (top), 20 kPa (middle), and 40 kPa (bottom). T = 2 mm, α = 0°, Ps = 1.2 kPa.